Electrode holder



FIG. 1 is a perspective view of an electrode holder showing our new design;

FIG. 2 is a front end view of an electrode holder showing our new design;

FIG. 3 is a back end view of an electrode holder showing our new design;

FIG. 4 is a top view of an electrode holder showing our new design;

FIG. 5 is a side view of an electrode holder showing our new design;

FIG. 6 is a bottom view of an electrode holder showing our new design; and,

FIG. 7 is a side view of an electrode holder showing our new design. 

The ornamental design for an electrode holder, as shown and described. 